Speed Pro Forged Piston Set - 4.350" Bore - 1/16 x 1/16 x 3/16" Ring Grooves - Plus 12.1 cc - Coated Skirt - Mopar RB-Series (Set of 8) Shoulder Support Universal and custom fit applications

Universal and custom fit applications

A slow and deliberate development program was initiated

1500 / 5500 RPM

1967-1974 Chevrolet C20 Pickup CID 400

Speed Pro Forged Piston Set - 4.350" Bore - 1/16 x 1/16 x 3/16" Ring Grooves - Plus 12.1 cc - Coated Skirt - Mopar RB-Series (Set of 8) Shoulder Support Universal and custom fit applicationsChrysler 440 Engine, 4. 320 bore Fully updated skirt profiles Exclusive DUROSHIELD skirt coating. DUROSHIELD provides scuff resistance, reduced bore clearances and enhanced ring sealing. SPEED PRO POWERFORGED pistons are built to stringent specifications with a precision CNC machined dome and skirts and microfinished ring grooves. The manufacturing process ensures that piston weights within a boxed set will not vary more than 4 grams and that skirt